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Ontario International School Reviews 

2
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TrustScore 4 out of 5

3.8

High School
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Company details

  1. High School
  2. also in
  3. Private School

Written by the company

Ontario International School (OIS) is a Ministry-inspected online high school offering Ontario Secondary School Diploma (OSSD) courses and pathways to students in Canada and internationally. OIS provides flexible online learning, personalized academic support, credit transfer options, and pathways toward OSSD completion and postsecondary education. Students can enroll in individual OSSD credit courses or work toward completing the full Ontario Secondary School Diploma online. OIS supports students across Grades 9–12, including students seeking flexible course options, credit recovery, university preparation, or opportunities to transfer eligible previously earned credits toward their OSSD requirements. As an online school, OIS gives students the flexibility to study from wherever they are while receiving academic guidance and support throughout their learning journey. Students can access course materials online and progress through their studies with support from OIS teachers and academic advisors. OIS also works with international students who want to earn Ontario secondary school credits or pursue the OSSD from outside Canada. Academic planning can take into account a student's previous education, existing credits, academic goals, and intended postsecondary pathway. Ontario International School is a Ministry-inspected Ontario school with BSID 881793. More information about OIS, its programs, courses, admissions process, and free academic assessment is available at oischool.ca.

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3.8

Great

TrustScore 4 out of 5

2 reviews

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3.8

All reviews

(2)

1 review in the last 12 months

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Rated 5 out of 5 stars

I am very happy with my experience at…

I am very happy with my experience at OIS. I completed my OSSD at the school, and I am very excited to have received my university acceptance.
The teachers were very helpful, supportive, and always available to guide me throughout my studies. The school also provided great support with the university admission process and helped me understand the requirements and complete the necessary steps.

I am very grateful to OIS and my teachers for their guidance and support. Their encouragement played an important role in helping me achieve my goal of getting accepted into university. I would definitely recommend OIS to other students who are looking for a supportive school environment.

October 3, 2026
Unprompted review
Rated 5 out of 5 stars

I was able to complete my OSSD with OIS school.

I was able to complete my OSSD with this school and honnestly, it is the best experience I had, the teachers were able to guide me trough it and in the beginning it was a little mess, because I needed to adapt to the way this school functions, but with time I was able to complete my courses like a machine. So thank you, OIS school for helping me going to one of the best universities in Québec.

October 1, 2026
Unprompted review

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